The size is 2.60X1.90X0.01cm/1.02X0.75X0.00in, the square size is 2.30X1.60X0.01cm/0.90X0.63X0.00in. Suitable for alto saxophone, ♭B tenor saxophone, ♭E alto saxophone and clarinet. Saxophone cushion is a great accessory for alto/ tenor saxophones beginners, and is suitable for alto saxophone, tenor saxophone, and clarinet.